While we are waiting agog for images of Ultima Thule from the New Horizons probe, I thought you all might be interested in a bit of “professional” image processing by NASA. See https://www.bbc.co.uk/news/science-environment-46699737
I wonder if New Horizons has a window-sill?!
Just out of curiosity, I wondered what GIMP might do with the “RAW” image on the left:
Shows what you can do simply for free!